[INFO] updating cached repository https://github.com/gaelroue/learning-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e981c5c556a8a7d0fd6b6b94d7734de2646c9ede
[INFO] testing gaelroue/learning-rust against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaelroue%2Flearning-rust" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gaelroue/learning-rust on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/gaelroue/learning-rust
[INFO] finished tweaking git repo https://github.com/gaelroue/learning-rust
[INFO] tweaked toml for git repo https://github.com/gaelroue/learning-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/gaelroue/learning-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6de26b97a4e72fac300ff8047a5ce886b1689ff3990e65c649d756e37ace10bc
[INFO] running `"docker" "start" "-a" "6de26b97a4e72fac300ff8047a5ce886b1689ff3990e65c649d756e37ace10bc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling curl-sys v0.2.5
[INFO] [stderr]    Compiling curl v0.3.11
[INFO] [stderr]    Compiling learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/ini.rs:56:31
[INFO] [stderr]    |
[INFO] [stderr] 56 |              if line.unwrap().trim_left().starts_with('#') == true {
[INFO] [stderr]    |                               ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/ini.rs:74:35
[INFO] [stderr]    |
[INFO] [stderr] 74 |                  if line.unwrap().trim_left().starts_with('[') == true {
[INFO] [stderr]    |                                   ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/learning-339ef99d02ca8086.learning.epma92vl-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/learning-339ef99d02ca8086.learning.epma92vl-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/learning-339ef99d02ca8086.learning.epma92vl-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/learning-339ef99d02ca8086.learning.epma92vl-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/learning-339ef99d02ca8086.learning.epma92vl-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/learning-339ef99d02ca8086.learning.epma92vl-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/learning-339ef99d02ca8086.learning.epma92vl-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/learning-339ef99d02ca8086.learning.epma92vl-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/learning-339ef99d02ca8086.learning.epma92vl-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/learning-339ef99d02ca8086.learning.epma92vl-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/learning-339ef99d02ca8086.learning.epma92vl-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/learning-339ef99d02ca8086.learning.epma92vl-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/learning-339ef99d02ca8086.learning.epma92vl-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/learning-339ef99d02ca8086.learning.epma92vl-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/learning-339ef99d02ca8086.learning.epma92vl-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/learning-339ef99d02ca8086.learning.epma92vl-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/learning-339ef99d02ca8086" "/opt/rustwide/target/debug/deps/learning-339ef99d02ca8086.2sweo4sj0ay1igmy.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/curl-sys-78c30e55ca6cdcce/out/lib" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libregex-678a6c56a0c97385.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-e6b266851bb808e0.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-c1cad171dbacb223.rlib" "/opt/rustwide/target/debug/deps/libthread_local-bc6a54db981af158.rlib" "/opt/rustwide/target/debug/deps/libthread_id-16c7f180c4c0d21d.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-3d975dfcd5f29446.rlib" "/opt/rustwide/target/debug/deps/libmemchr-d0cb949a1126b9c2.rlib" "/opt/rustwide/target/debug/deps/libcurl-a2047c4826e11eab.rlib" "/opt/rustwide/target/debug/deps/libopenssl_probe-6e2ecc9f0689ff98.rlib" "/opt/rustwide/target/debug/deps/libcurl_sys-237ed6855650340d.rlib" "/opt/rustwide/target/debug/deps/libopenssl_sys-16d6c65d470ce59e.rlib" "/opt/rustwide/target/debug/deps/liblibz_sys-57d7e5e21051c9a4.rlib" "/opt/rustwide/target/debug/deps/liblibc-2e17c5c99334ee98.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-44f8eb3d0b2fad61.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-abc626f09920d361.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-546e83c8973f1a65.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-12768dfc68674934.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e06867e4497f2ee8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-cbc579f43f6df57b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7abd6d5a7ebf9a23.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-46423c7bc03bd327.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fc3773ed7bc68f07.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-9cdc98176efd27e2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-02d88502a763e06b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8cdc9d38dd6cd3ce.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-336f7d63e72901ef.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-57917b1be5233117.rlib" "-Wl,-Bdynamic" "-lssl" "-lcrypto" "-lz" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libcurl_sys-237ed6855650340d.rlib(libcurl_la-version.o): in function `curl_version':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/curl-sys-0.2.5/curl/lib/version.c:122: undefined reference to `psl_get_version'
[INFO] [stderr]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libcurl_sys-237ed6855650340d.rlib(libcurl_la-cookie.o): in function `Curl_cookie_add':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/curl-sys-0.2.5/curl/lib/cookie.c:801: undefined reference to `psl_builtin'
[INFO] [stderr]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/curl-sys-0.2.5/curl/lib/cookie.c:802: undefined reference to `psl_is_cookie_domain_acceptable'
[INFO] [stderr]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libopenssl_sys-16d6c65d470ce59e.rlib(openssl_sys-16d6c65d470ce59e.openssl_sys.3uv89imf-cgu.9.rcgu.o): in function `openssl_sys::init::{{closure}}':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.7.17/src/lib.rs:517: undefined reference to `SSL_library_init'
[INFO] [stderr]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.7.17/src/lib.rs:518: undefined reference to `SSL_load_error_strings'
[INFO] [stderr]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.7.17/src/lib.rs:519: undefined reference to `OPENSSL_add_all_algorithms_noconf'
[INFO] [stderr]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.7.17/src/lib.rs:521: undefined reference to `CRYPTO_num_locks'
[INFO] [stderr]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.7.17/src/lib.rs:531: undefined reference to `CRYPTO_set_locking_callback'
[INFO] [stderr]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libopenssl_sys-16d6c65d470ce59e.rlib(openssl_sys-16d6c65d470ce59e.openssl_sys.3uv89imf-cgu.9.rcgu.o): in function `openssl_sys::set_id_callback':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.7.17/src/lib.rs:544: undefined reference to `CRYPTO_set_id_callback'
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `learning`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6de26b97a4e72fac300ff8047a5ce886b1689ff3990e65c649d756e37ace10bc"`
[INFO] running `"docker" "rm" "-f" "6de26b97a4e72fac300ff8047a5ce886b1689ff3990e65c649d756e37ace10bc"`
[INFO] [stdout] 6de26b97a4e72fac300ff8047a5ce886b1689ff3990e65c649d756e37ace10bc